Finding the Fourth Proportional to 2,165,639,499.05, 3,248,075,255.51 and 984,943,423.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,165,639,499.05 : 3,248,075,255.51 = 984,943,423.18 : x
2. Step 2: Convert to fraction form
   2,165,639,499.05/3,248,075,255.51 = 984,943,423.18/x
3. Step 3: Cross multiply
   2,165,639,499.05x = 3,248,075,255.51 × 984,943,423.18
4. Step 4: Simplify right side
   2,165,639,499.05x = 3,199,170,360,914,794,496
5. Step 5: Solve for x
   x = 3,199,170,360,914,794,496/2,165,639,499.05
6. Step 6: Final answer
   x = 1,477,240,492.85